Putra, Mohamad Rifki Dimas, and Isti Raafaldini Mirzanti. “Enhancing Efficiency in Traditional Travel Agencies: The Implementation of Blockchain Technology at Astrindo Satrya Kharisma”. Siber Journal of Advanced Multidisciplinary, vol. 4, no. 1, June 2026, pp. 128-40, doi:10.38035/sjam.v4i1.907.